SFB 478 "Geometrische Strukturen in der Mathematik"

Workshop "Collapsing and Metric Geometry"

Program

Monday, August 2, 2004
9.00-9.30 Registration, office no. 414
9.30-10.30 J. Lott Towards a synthetic notion of Ricci curvature
10.30-11.00 Coffee / Tea
11.00-12.00 A. Petrunin Gradient push and collapsing
12.00-14.00 Lunch
14.00-15.00 U. Lang Nagata dimension, Lipschitz extensions and embeddings
15.00-15.45 Coffee / Tea
15.45-16.45 S. Buyalo Nonembedding results in asymptotic geometry
Tuesday, August 3, 2004
9.30-10.30 I. Belegradek Classification of negatively pinched manifolds with amenable fundamental groups
10.30-11.00 Coffee / Tea
11.00-12.00 V. Kapovitch Optimal pinching for negatively curved manifolds with nilpotent fundamental groups
12.00-14.00 Lunch
14.00-14.45 X. Rong Positively curved 5-manifolds with local torus actions
14.45-15.30 Coffee / Tea
15.30-16.15 F. Wilhelm A preliminary report on counter examples to the uniform pinching conjecture
16.30-17.15 V. Berestovskii Some unpublished results and unsolved questions
Wednesday, August 4, 2004
9.30-10.30 G. Wei The covering spectrum of a compact length space
10.30-11.00 Coffee / Tea
11.00-12.00 U. Hamenstädt Spectral convergence of manifold pairs
bicycle tour in the afternoon
Thursday, August 5, 2004
9.30-10.30 T. Yamaguchi Extremal points in Alexandrov spaces
10.30-11.00 Coffee / Tea
11.00-12.00 T. Shioya Collapsing three-manifolds with a lower curvature bound
12.00-14.00 Lunch
14.00-14.45 P. Ghanaat Structure of bounded curvature collaps
14.45-15.30 Coffee / Tea
15.30-16.15 B. Ammann Small Dirac eigenvalues on manifolds with almost nonnegative scalar curvature
16.30-17.15 A. Balser Existence of Polygons with prescribed Gauss maps in Euclidean buildings
Friday, August 6, 2004
9.30-10.30 A. Lytchak Curvature of almost convex subsets
10.30-11.00 Coffee / Tea
11.00-12.00 T. Foertsch Rough curvature and its functional behavior with respect to glueings and hyperbolic products
12.00-14.00 Lunch
14.00-14.45 K. Nagano Fixed point sets of parabolic isometeries of CAT(0)-spaces
14.45-15.30 Coffee / Tea
15.30-16.00 G. Guzhvina Examples of manifolds with arbitrarily small diameter pinching, diam(M)2 |K|
16.15-17.15 S. Alexander Curvature bounds and warped products
18.30 Dinner party